3Com networking switches are available in several variations, as PoE switches, and as phone systems for the 3Com NBX system. Available in 24 or 48 ports, 3Com switches come in 10mb and 10/100 configurations at a low cost, attractive price point. SuperStack 3 Digital line cards are available in the series in addition to digital gateway switches for implementing a digital T1/E1 line into your phone system. Get the most out of your NBX phone system with 3Com SuperStack and VCX switches.